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Split build and push, and remove push code from run

Browse Source 
This currently only changes the `gcp` target, but is the new
model - the `build` command will only do things locally, then
you need to `push` to an image store such as GCP or other ones
in order to `run` for platforms that cannot boot directly from
a local image.

Fix #1618

Signed-off-by: Justin Cormack <justin.cormack@docker.com>
This commit is contained in:
Justin Cormack 2017-04-24 16:34:56 +01:00
parent b556f51b47
commit 4e1317d213
7 changed files with 119 additions and 89 deletions
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8
src/cmd/moby/config.go
View File

@ -35,13 +35,7 @@ type Moby struct {
Contents string
}
Outputs []struct {
Format string
Project string
Bucket string
Family string
Keys string
Public bool
Replace bool
Format string
}
}

5
src/cmd/moby/main.go
View File

@ -42,7 +42,8 @@ func main() {
fmt.Printf("USAGE: %s [options] COMMAND\n\n", filepath.Base(os.Args[0]))
fmt.Printf("Commands:\n")
fmt.Printf(" build Build a Moby image from a YAML file\n")
fmt.Printf(" run Run a Moby image on a local hypervisor or remote cloud\n")
fmt.Printf(" push Push a VM image to a cloud or image store\n")
fmt.Printf(" run Run a VM image on a local hypervisor or remote cloud\n")
fmt.Printf(" version Print version information\n")
fmt.Printf(" help Print this message\n")
fmt.Printf("\n")
@ -81,6 +82,8 @@ func main() {
switch args[0] {
case "build":
build(args[1:])
case "push":
push(args[1:])
case "run":
run(args[1:])
case "version":

36
src/cmd/moby/output.go
View File

@ -43,42 +43,6 @@ func outputs(m *Moby, base string, bzimage []byte, initrd []byte) error {
if err != nil {
return fmt.Errorf("Error writing %s output: %v", o.Format, err)
}
case "gcp-storage":
err := outputImg(gcp, base+".img.tar.gz", bzimage, initrd, m.Kernel.Cmdline)
if err != nil {
return fmt.Errorf("Error writing %s output: %v", o.Format, err)
}
if o.Bucket == "" {
return fmt.Errorf("No bucket specified for GCP output")
}
gClient, err := NewGCPClient(o.Keys, o.Project)
if err != nil {
return fmt.Errorf("Unable to connect to GCP")
}
err = gClient.UploadFile(base+".img.tar.gz", base+".img.tar.gz", o.Bucket, o.Public)
if err != nil {
return fmt.Errorf("Error copying to Google Storage: %v", err)
}
case "gcp":
err := outputImg(gcp, base+".img.tar.gz", bzimage, initrd, m.Kernel.Cmdline)
if err != nil {
return fmt.Errorf("Error writing %s output: %v", o.Format, err)
}
if o.Bucket == "" {
return fmt.Errorf("No bucket specified for GCP output")
}
gClient, err := NewGCPClient(o.Keys, o.Project)
if err != nil {
return fmt.Errorf("Unable to connect to GCP")
}
err = gClient.UploadFile(base+".img.tar.gz", base+".img.tar.gz", o.Bucket, o.Public)
if err != nil {
return fmt.Errorf("Error copying to Google Storage: %v", err)
}
err = gClient.CreateImage(base, "https://storage.googleapis.com/"+o.Bucket+"/"+base+".img.tar.gz", o.Family, o.Replace)
if err != nil {
return fmt.Errorf("Error creating Google Compute Image: %v", err)
}
case "qcow", "qcow2":
err := outputImg(qcow, base+".qcow2", bzimage, initrd, m.Kernel.Cmdline)
if err != nil {

37
src/cmd/moby/push.go Normal file
View File

@ -0,0 +1,37 @@
package main
import (
"fmt"
"os"
log "github.com/Sirupsen/logrus"
)
func pushUsage() {
fmt.Printf("USAGE: %s push [backend] [options] [prefix]\n\n", os.Args[0])
fmt.Printf("'backend' specifies the push backend.\n")
fmt.Printf("Supported backends are\n")
fmt.Printf(" gcp\n")
fmt.Printf("\n")
fmt.Printf("'options' are the backend specific options.\n")
fmt.Printf("See 'moby push [backend] --help' for details.\n\n")
fmt.Printf("'prefix' specifies the path to the VM image.\n")
}
func push(args []string) {
if len(args) < 1 {
runUsage()
os.Exit(1)
}
switch args[0] {
case "help", "-h", "-help", "--help":
pushUsage()
os.Exit(0)
case "gcp":
pushGcp(args[1:])
default:
log.Errorf("No 'push' backend specified.")
}
}

73
src/cmd/moby/push_gcp.go Normal file
View File

@ -0,0 +1,73 @@
package main
import (
"flag"
"fmt"
"os"
"strings"
log "github.com/Sirupsen/logrus"
)
// Process the run arguments and execute run
func pushGcp(args []string) {
gcpCmd := flag.NewFlagSet("gcp", flag.ExitOnError)
gcpCmd.Usage = func() {
fmt.Printf("USAGE: %s push gcp [options] [name]\n\n", os.Args[0])
fmt.Printf("'name' specifies the full path of an image file which will be uploaded\n")
fmt.Printf("Options:\n\n")
gcpCmd.PrintDefaults()
}
keysFlag := gcpCmd.String("keys", "", "Path to Service Account JSON key file")
projectFlag := gcpCmd.String("project", "", "GCP Project Name")
bucketFlag := gcpCmd.String("bucket", "", "GS Bucket to upload to. *Required*")
publicFlag := gcpCmd.Bool("public", false, "Select if file on GS should be public. *Optional*")
familyFlag := gcpCmd.String("family", "", "GCP Image Family. A group of images where the family name points to the most recent image. *Optional*")
nameFlag := gcpCmd.String("img-name", "", "Overrides the Name used to identify the file in Google Storage and Image. Defaults to [name]")
if err := gcpCmd.Parse(args); err != nil {
log.Fatal("Unable to parse args")
}
remArgs := gcpCmd.Args()
if len(remArgs) == 0 {
fmt.Printf("Please specify the prefix to the image to push\n")
gcpCmd.Usage()
os.Exit(1)
}
prefix := remArgs[0]
keys := getStringValue(keysVar, *keysFlag, "")
project := getStringValue(projectVar, *projectFlag, "")
bucket := getStringValue(bucketVar, *bucketFlag, "")
public := getBoolValue(publicVar, *publicFlag)
family := getStringValue(familyVar, *familyFlag, "")
name := getStringValue(nameVar, *nameFlag, "")
client, err := NewGCPClient(keys, project)
if err != nil {
log.Fatalf("Unable to connect to GCP")
}
suffix := ".img.tar.gz"
src := prefix
if strings.HasSuffix(prefix, suffix) {
prefix = prefix[:len(prefix)-len(suffix)]
} else {
src = prefix + suffix
}
if name != "" {
prefix = name
}
if bucket == "" {
log.Fatalf("No bucket specified. Please provide one using the -bucket flag")
}
err = client.UploadFile(src, prefix+suffix, bucket, public)
if err != nil {
log.Fatalf("Error copying to Google Storage: %v", err)
}
err = client.CreateImage(prefix, "https://storage.googleapis.com/"+bucket+"/"+prefix+".img.tar.gz", family, true)
if err != nil {
log.Fatalf("Error creating Google Compute Image: %v", err)
}
}

41
src/cmd/moby/run_gcp.go
View File

@ -4,7 +4,6 @@ import (
"flag"
"fmt"
"os"
"strings"
log "github.com/Sirupsen/logrus"
)
@ -40,10 +39,6 @@ func runGcp(args []string) {
machineFlag := gcpCmd.String("machine", defaultMachine, "GCP Machine Type")
keysFlag := gcpCmd.String("keys", "", "Path to Service Account JSON key file")
projectFlag := gcpCmd.String("project", "", "GCP Project Name")
bucketFlag := gcpCmd.String("bucket", "", "GS Bucket to upload to. *Required* when 'prefix' is a filename")
publicFlag := gcpCmd.Bool("public", false, "Select if file on GS should be public. *Optional* when 'prefix' is a filename")
familyFlag := gcpCmd.String("family", "", "GCP Image Family. A group of images where the family name points to the most recent image. *Optional* when 'prefix' is a filename")
nameFlag := gcpCmd.String("img-name", "", "Overrides the Name used to identify the file in Google Storage, Image and Instance. Defaults to [name]")
diskSizeFlag := gcpCmd.Int("disk-size", 0, "Size of system disk in GB")
skipCleanup := gcpCmd.Bool("skip-cleanup", false, "Don't remove images or VMs")
@ -53,20 +48,16 @@ func runGcp(args []string) {
remArgs := gcpCmd.Args()
if len(remArgs) == 0 {
fmt.Printf("Please specify the prefix to the image to boot\n")
fmt.Printf("Please specify the name of the image to boot\n")
gcpCmd.Usage()
os.Exit(1)
}
prefix := remArgs[0]
name := remArgs[0]
zone := getStringValue(zoneVar, *zoneFlag, defaultZone)
machine := getStringValue(machineVar, *machineFlag, defaultMachine)
keys := getStringValue(keysVar, *keysFlag, "")
project := getStringValue(projectVar, *projectFlag, "")
bucket := getStringValue(bucketVar, *bucketFlag, "")
public := getBoolValue(publicVar, *publicFlag)
family := getStringValue(familyVar, *familyFlag, "")
name := getStringValue(nameVar, *nameFlag, "")
diskSize := getIntValue(diskSizeVar, *diskSizeFlag, defaultDiskSize)
client, err := NewGCPClient(keys, project)
@ -74,33 +65,7 @@ func runGcp(args []string) {
log.Fatalf("Unable to connect to GCP")
}
suffix := ".img.tar.gz"
if strings.HasSuffix(prefix, suffix) {
src := prefix
if name != "" {
prefix = name
} else {
prefix = prefix[:len(prefix)-len(suffix)]
}
if bucket == "" {
log.Fatalf("No bucket specified. Please provide one using the -bucket flag")
}
err = client.UploadFile(src, prefix+suffix, bucket, public)
if err != nil {
log.Fatalf("Error copying to Google Storage: %v", err)
}
err = client.CreateImage(prefix, "https://storage.googleapis.com/"+bucket+"/"+prefix+".img.tar.gz", family, true)
if err != nil {
log.Fatalf("Error creating Google Compute Image: %v", err)
}
}
// If no name was supplied, use the prefix
if name == "" {
name = prefix
}
if err = client.CreateInstance(name, prefix, zone, machine, diskSize, true); err != nil {
if err = client.CreateInstance(name, name, zone, machine, diskSize, true); err != nil {
log.Fatal(err)
}

8
src/cmd/moby/schema.go
View File

@ -31,13 +31,7 @@ var schema = string(`
"type": "object",
"additionalProperties": false,
"properties": {
"format": {"type": "string"},
"project": {"type": "string"},
"bucket": {"type": "string"},
"family": {"type": "string"},
"keys": {"type": "string"},
"public": {"type": "boolean"},
"replace": {"type": "boolean"}
"format": {"type": "string"}
}
},
"outputs": {